Il 10/08/2016 07:28, DH RA ha scritto:
Hi All,
We use gstreamer and matroskamux with application passing
buffer and taking out, here is the pipeline
appsrc name=appsrc block=false is-live=true
format=GST_FORMAT_TIME ! queue name=q ! matroskamux
streamable=true ! appsink name=appsink
We pass buffer with PTS -
GST_BUFFER_PTS(buffer) = timestamp; // in nanos
GST_BUFFER_DTS(buffer) = GST_CLOCK_TIME_NONE;
gst_app_src_push_buffer(GST_APP_SRC (m_source),
buffer);
we get duplicate PTS on output buffer, though input always has
increasing timestamps, is that possible?
yes, this is possibile since matroskamux rounds timestamps based on
timecodescale, the default value gives millisecond precision,
take a look at my patch here:
https://bugzilla.gnome.org/show_bug.cgi?id=764769
it is included in gstreamer git, you can set timecodescale property
to suit your needs
regards
Nicola
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